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Finding the Fourth Proportional to 197,791.88, 296,701.52 and 79,463.12

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Solution

The fourth proportional to 197,791.88, 296,701.52 and 79,463.12 is: 119,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,791.88 : 296,701.52 = 79,463.12 : x
  2. Step 2: Convert to fraction form
    197,791.88/296,701.52 = 79,463.12/x
  3. Step 3: Cross multiply
    197,791.88x = 296,701.52 × 79,463.12
  4. Step 4: Simplify right side
    197,791.88x = 23,576,826,607.12
  5. Step 5: Solve for x
    x = 23,576,826,607.12/197,791.88
  6. Step 6: Final answer
    x = 119,200.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.